What is a file name extensions_How to show file name extensions in Win11

What is a file name extensions

In Microsoft Windows, extensions are a very important part! Because different software saves files with different extensions for Windows to recognize, such as Word's file extension of .docx, Excel's file extension of .xlsx and so on. Many new computer friends can find, how in my computer there is no such extensions? I only recognize icons! Actually, it is not allowed to recognize icons, because icons are also displayed according to their extensions.

How to show file name extensions in Win11

The system does not open file extensions by default, so we'll teach you step-by-step to open the extensions in the Resource Explorer to show:

Press the shortcut Win + E, open the resource browser (as above), click "View" - "Show" - put "File name extensions" checkbox, so that when we view the file name, it will show .xxx, . followed by the extension.